SPECULUM /ˈspɛkjələm/ Scrabble 14 Words With Friends 20 Definition noun a mirror (especially one made of polished metal) for use in an optical instrument. noun a medical instrument for dilating a bodily passage or cavity in order to examine the interior. See all 94 words you can make from SPECULUM → 8-letter words Words starting with S Words ending with M ← Unscramble different letters